| Message ID | 1460474204-5351-2-git-send-email-peter.griffin@linaro.org |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
On Tue, Apr 12, 2016 at 04:16:40PM +0100, Peter Griffin wrote: > This patch adds the DT doc for the flashss regulator driver which is > found in stih407 based silicon. > > Signed-off-by: Peter Griffin <peter.griffin@linaro.org> > --- > .../devicetree/bindings/regulator/st-flashss.txt | 43 ++++++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/regulator/st-flashss.txt > > diff --git a/Documentation/devicetree/bindings/regulator/st-flashss.txt b/Documentation/devicetree/bindings/regulator/st-flashss.txt > new file mode 100644 > index 0000000..04324d5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/regulator/st-flashss.txt > @@ -0,0 +1,43 @@ > +ST Voltage regulator for FlashSS vsense > + > +This documents the voltage regulator driver which manages the vsense inside the ST flash Bindings document h/w, not drivers. > +sub-system that is used for configuring MMC, NAND, SPI voltages. > + > +Required properties: > +- compatible: Can be "st,vqmmc", "st,vnand" or "st,vspi" because it is shared > + among these devices inside the ST FlashSS. > +- regulator-name: Regulator name. > +- reg: The vsense top config base address in the flashSS hardware. > + > +Any property defined as part of the core regulator binding, in > +Documentation/devicetree/bindings/regulator/regulator.txt can also be used. > + > +Example: > + > +vqmmc_reg: voltage-regulator { > + compatible = "st,vqmmc"; > + regulator-name = "vqmmc0"; > + /* Control register for the VSENSE Module */ I'm having a hard time understanding the relationship of FlashSS, VSENSE and the compatible strings. The binding looks suspect to me though. If VSENSE is a module, then I'd expect a compatible string for it. Rob -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/regulator/st-flashss.txt b/Documentation/devicetree/bindings/regulator/st-flashss.txt new file mode 100644 index 0000000..04324d5 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/st-flashss.txt @@ -0,0 +1,43 @@ +ST Voltage regulator for FlashSS vsense + +This documents the voltage regulator driver which manages the vsense inside the ST flash +sub-system that is used for configuring MMC, NAND, SPI voltages. + +Required properties: +- compatible: Can be "st,vqmmc", "st,vnand" or "st,vspi" because it is shared + among these devices inside the ST FlashSS. +- regulator-name: Regulator name. +- reg: The vsense top config base address in the flashSS hardware. + +Any property defined as part of the core regulator binding, in +Documentation/devicetree/bindings/regulator/regulator.txt can also be used. + +Example: + +vqmmc_reg: voltage-regulator { + compatible = "st,vqmmc"; + regulator-name = "vqmmc0"; + /* Control register for the VSENSE Module */ + reg = <0x9061004 0x4>; + status = "disabled"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; +}; + +mmc0: sdhci@09060000 { + compatible = "st,sdhci-stih407", "st,sdhci"; + status = "disabled"; + reg = <0x09060000 0x7ff>, <0x9061008 0x20>; + reg-names = "mmc", "top-mmc-delay"; + interrupts = <GIC_SPI 92 IRQ_TYPE_NONE>; + interrupt-names = "mmcirq"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mmc0>; + clock-names = "mmc"; + clocks = <&clk_s_c0_flexgen CLK_MMC_0>; + bus-width = <8>; + non-removable; + vqmmc-supply = <&vqmmc_reg>; +}; +
This patch adds the DT doc for the flashss regulator driver which is found in stih407 based silicon. Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- .../devicetree/bindings/regulator/st-flashss.txt | 43 ++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/st-flashss.txt